Jump to content

Ordering new truck, have a question..

gcope63

Recommended Posts

gcope63 Enthusiast

gcope63

Posted
Posted

I will be ordering a new truck next week (2500HD 4X4 CC SB 8.1/Ally) :rolleyes: and wanted some opinions about rear axle ratios? I will be changing over to 285/75-16 BFG AT's soon after getting the truck and am wondering if I should go ahead and get the 4.10's or go with the better economy of the 3.73's. Do you think there will be much difference in the mileage between the two ratios??

 

Thanks!!

 

Gary

364cubes Enthusiast

364cubes

Posted
Posted

Personally, I would go with the 3.73. I wish it had been available with the 6 liter. I don't think you'll have any problem with power, and a more economical ratio wouldn't hurt.

shelbyd Enthusiast

shelbyd

Posted
Posted

I would have done the 3:73 if they were available for the mileage improvement unless you need the gearing for pulling a lot of weight on the hill a lot of the time.

Roofer Senior Enthusiast

Roofer

Posted
Posted

3.73's are all the Dmax needs, it will begreat plenty for the 8.1 plus get better mileage than 4.10's. If it were a 6.0 I would say 4.10's, but with the 8.1 you want mileage, because power is not a problem.

GM GIMP Enthusiast

GM GIMP

Posted
Posted

I had a 2001 Ext cab 8.1 with the 4.10. Gas mileage was terrible (also terrible

with 3.73's) but get the 3.73 if you don't plan on towing heavy loads.

gcope63 Enthusiast

gcope63

Posted
  • Author
Posted

I am looking at towing a 5000 - 6000 pound boat along with a camper... but this will only be during the summer months, the rest of the time it will just be around the house..

 

Also, the best quote I have gotten is $38725.00, how does this sound? It is a CC LT loaded with DVD and XM. This is before rebates since I am ordering so if you include the current rebate it comes down to $36226.00...

 

Gary

Archived

This topic is now archived and is closed to further replies.

Go to topic listing

  • Latest Articles

  • Posts

    • Chuck FB
      2 speed transfer case optional now?

      By Chuck FB · Posted

      Yes, and also pulling heavy trailers or a large camper up steep grades as well as descending grades such as the more rustic off road camping locations and using engine braking with that low gearing as well as soft ground can just suck the power . I realize pickups these days tend to have an over all lower first gear ratio compared to automatic transmission pickups from years back so that has helped a lot in its ability in high range but there comes a point if in four wheel drive the torque runs out at the wheels, certainly with a gas engine. They don't put two speed transfer cases on pickups for a cool factor, they have a function if one needs that massive torque to the wheels that high range can't deliver. 
    • Grumpy Bear
      Grumpy Bears 2015 Silverado 2WD

      By Grumpy Bear · Posted

      Notes 7/18/2026   3,400 miles on this batch of Mobil 1 Euro 5W40 since the GDI pump replacement. Alcohol runs very clean when ring seal is tight and the sump isn't getting hosed with fuel. Checked oil level at fill up today as is my practice and grabbed a white Kleenex to look at the color. What color?  I was going to change it but.....  
    • Another JR
      2 speed transfer case optional now?

      By Another JR · Posted

      4 low is really nice on steep boat ramps. 
    • Chuck FB
      Gas Prices

      By Chuck FB · Posted

      Interesting, I suspect I would have fueled up in Lee Vining as the day prior I would have filled up either in Laughlin or near there and maybe again before I entered Death Valley and once out the other side late that evening as I kept on driving into the night up near Lee Vining. Next morning I most likely fueled up in LV before heading over Tioga Pass into ( as I refer to it as "Yose .... Mite" 😁 ). And again that was 19 years ago but the price then must not have jumped out at me like the 5 bill a gallon theme of nutty cult hippy country Big Sir or head so far up their rear Aspen. I'd be curious to know where the highest prices are in the lower 48, I probably would not be far off to guess somewhere in Cali forn ie. Coldfoot and Prudhoe bay may have those prices beat but that is a whole other world up there and when prices are more normal elsewhere that is about what they can be up there I believe in no mans land. Anyway interesting that the 395 corridor is hosing people and the thing is, its tourist season and its not like there are a lot of competition options when driving up that highway from what I could see. Yup, big ole Boaterhomes and various other RV's ahead and behind me at the Yosemite entrance gate and they have to get their fuel somewhere.  
    • Atlas
      Gas Prices

      By Atlas · Posted

      Those can be high, as well as the big California cities. The ones that will pop your eyes out are the 395 corridor on the Eastern side of the Sierra Nevadas. Lee Vining, $7.19 for regular and $8.89 for diesel is what the Google said right now.

  • GM-Trucks.com Clubs

  • Popular Contributors

×
×
  • Create New...